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Finding the Fourth Proportional to 18,496.20, 27,744.30 and 10,590.60

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Solution

The fourth proportional to 18,496.20, 27,744.30 and 10,590.60 is: 15,885.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,496.20 : 27,744.30 = 10,590.60 : x
  2. Step 2: Convert to fraction form
    18,496.20/27,744.30 = 10,590.60/x
  3. Step 3: Cross multiply
    18,496.20x = 27,744.30 × 10,590.60
  4. Step 4: Simplify right side
    18,496.20x = 293,828,783.58
  5. Step 5: Solve for x
    x = 293,828,783.58/18,496.20
  6. Step 6: Final answer
    x = 15,885.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.